Neutron detector cable monitoring

Details Neutron detector cable monitoring Neutron detector cable monitoring

1975-08-13

1976-09-21

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Neutron responsive means

G01T 300

Patent

active

039821315

ABSTRACT:
In a neutron detector connected by a cable with a current amplifier for the signal based on (n,e)-processes, any change in the insulation resistance of the cable is monitored by means of an a-c voltage which is superimposed on the offset voltage of the amplifier. The resistance-dependent a-c variable at the output of the amplifier, is used to make a limit indicator respond via a connected filter. The invention is of importance particularly for monitoring the internal core instrumentation of pressurized-water reactors.

REFERENCES:
patent: 3903420 (1975-09-01), Klar
patent: 3904881 (1975-09-01), Klar et al.

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